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Finding the Fourth Proportional to 41,300.40, 61,966.80 and 15,007.80

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Solution

The fourth proportional to 41,300.40, 61,966.80 and 15,007.80 is: 22,517.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,300.40 : 61,966.80 = 15,007.80 : x
  2. Step 2: Convert to fraction form
    41,300.40/61,966.80 = 15,007.80/x
  3. Step 3: Cross multiply
    41,300.40x = 61,966.80 × 15,007.80
  4. Step 4: Simplify right side
    41,300.40x = 929,985,341.04
  5. Step 5: Solve for x
    x = 929,985,341.04/41,300.40
  6. Step 6: Final answer
    x = 22,517.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.